40402180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{281}}^1$

素因数の和:389

約数の個数: 96

約数和(自身を含む): 106122240

約数和(自身を除く): 65720060

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 79, 91, 130, 140, 158, 182, 260, 281, 316, 364, 395, 455, 553, 562, 790, 910, 1027, 1106, 1124, 1405, 1580, 1820, 1967, 2054, 2212, 2765, 2810, 3653, 3934, 4108, 5135, 5530, 5620, 7189, 7306, 7868, 9835, 10270, 11060, 14378, 14612, 18265, 19670, 20540, 22199, 25571, 28756, 35945, 36530, 39340, 44398, 51142, 71890, 73060, 88796, 102284, 110995, 127855, 143780, 155393, 221990, 255710, 288587, 310786, 443980, 511420, 577174, 621572, 776965, 1154348, 1442935, 1553930, 2020109, 2885870, 3107860, 4040218, 5771740, 8080436, 10100545, 20201090, 40402180]

約数ペア:

[(1, 40402180), (2, 20201090), (4, 10100545), (5, 8080436), (7, 5771740), (10, 4040218), (13, 3107860), (14, 2885870), (20, 2020109), (26, 1553930), (28, 1442935), (35, 1154348), (52, 776965), (65, 621572), (70, 577174), (79, 511420), (91, 443980), (130, 310786), (140, 288587), (158, 255710), (182, 221990), (260, 155393), (281, 143780), (316, 127855), (364, 110995), (395, 102284), (455, 88796), (553, 73060), (562, 71890), (790, 51142), (910, 44398), (1027, 39340), (1106, 36530), (1124, 35945), (1405, 28756), (1580, 25571), (1820, 22199), (1967, 20540), (2054, 19670), (2212, 18265), (2765, 14612), (2810, 14378), (3653, 11060), (3934, 10270), (4108, 9835), (5135, 7868), (5530, 7306), (5620, 7189)]